SynOx Therapeutics Funding, Investors & Competitors

SynOx Therapeutics has raised $211M across 3 funding rounds, most recently a $92M Series B in October 2024.

Last SynOx Therapeutics funding round

$92M

Series B · Oct 2024

Cumulative funding SynOx Therapeutics raised

$211M

across 3 funding rounds

Key investors in SynOx Therapeutics

  • Forbion Capital Partners
  • HealthCap
  • Bioqube Ventures
  • GIMV
  • Gilde Healthcare
  • Medicxi

SynOx Therapeutics Overview

About SynOx Therapeutics

SynOx Therapeutics is a biopharma company developing emactuzumab, a CSF-1R targeting monoclonal antibody for tenosynovial giant cell tumors and pigmented villonodular synovitis. Basel-based and spun out from Roche, SynOx advances the asset through clinical trials with support from investors experienced in oncology development.


Founded

2020

HQ

IrelandDublin

Status

Privately held

Customer focus

B2B

Revenue model

Product sales

SynOx Therapeutics Funding History

SynOx Therapeutics has raised a total of $211M across 3 funding rounds.

SynOx Therapeutics' first fundraising round was a $44M Series A in November 2020. The most recent completed round was a $92M Series B in October 2024.

SynOx Therapeutics funding rounds

SynOx Therapeutics funding rounds
DateStageInvestorsRaisedDeal Summary
Oct 2024Series BGilde Healthcare (lead); HealthCap; Bioqube Ventures; Forbion Capital Partners$92MSynOx Therapeutics is a late clinical-stage biopharmaceutical company based in Dublin, Ireland, and Oxford, United Kingdom, focused on developing treatments for CSF-1 related and macrophage-driven disorders. Its lead candidate, emactuzumab, is a potentially best-in-class CSF-1 receptor (CSF-1R) inhibiting monoclonal antibody targeting Tenosynovial Giant Cell Tumour (TGCT). On October 30, 2024, the company closed a Series B extension led by Gilde Healthcare, bringing the total round to $92 million, with participation from Forbion, HealthCap, and Bioqube Ventures. Proceeds fund the registrational Phase 3 TANGENT trial, a global, multi-center, randomized, double-blind, placebo-controlled study planning to enroll about 130 patients, with first patients already dosed. The financing strengthens SynOx's investor syndicate, adding Gilde Healthcare's expertise, with General Partner Arthur Franken joining the board. CEO Ray Barlow highlighted the support for advancing emactuzumab to address unmet needs in TGCT patients. Emactuzumab aims to improve quality of life for TGCT patients lacking effective options. The TANGENT trial represents a key milestone toward potential market approval for emactuzumab in TGCT and possibly other indications.
Apr 2024Series BBioqube Ventures (lead); Forbion Capital Partners (lead); HealthCap (lead)$75MSynOx Therapeutics is a late-stage clinical biopharmaceutical company developing emactuzumab, a potentially best-in-class CSF-1R inhibiting monoclonal antibody for treating Tenosynovial Giant Cell Tumour (TGCT), a debilitating tumor affecting joint and tendon linings. On April 22, 2024, the company closed a $75 million Series B financing round co-led by Forbion, HealthCap, and new investor Bioqube Ventures, with proceeds earmarked for a registrational Phase 3 trial (TANGENT) and CMC data generation. The funding supports advancement of emactuzumab, which prior Phase 1 data showed to have short treatment cycles, rapid onset, and long response duration. The investor syndicate includes premier life science funds such as Forbion, HealthCap, Bioqube Ventures, and Medicxi, backing a team with proven track records in product development and commercialization. CEO Ray Barlow highlighted the funding as transformational for generating registrational data, positioning emactuzumab as differentiated from other TGCT therapies. Bioqube Ventures' Jon Edwards emphasized the asset's best-in-class potential and the team's capability to reach approval and launch. In October 2024, SynOx extended the Series B with Gilde Healthcare leading additional capital, raising the total to $92 million, while dosing first patients in the Phase 3 TANGENT trial. This extension underscores ongoing support for emactuzumab's late-stage development amid high unmet needs in TGCT treatment.
Nov 2020Series AHealthCap (lead); Medicxi (lead); GIMV; Forbion Capital Partners$44MSynOx Therapeutics, a clinical-stage biopharmaceutical company based in Dublin, Ireland, with operations in Oxford and Philadelphia, develops emactuzumab, a next-generation monoclonal antibody targeting CSF-1R, primarily for tenosynovial giant cell tumors (TGCT), including diffuse TGCT (dTGCT), also known as pigmented villonodular synovitis. The company is a spin-out from Celleron Therapeutics and secured exclusive worldwide rights for emactuzumab's development, manufacturing, and commercialization from Roche. On November 19, 2020, SynOx closed a €37 million ($44M) Series A financing round co-led by HealthCap and Medicxi, with participation from Forbion and Gimv. The proceeds fund continued clinical development of emactuzumab to generate registrational data for TGCT patients with limited treatment options, aiming for time- and cost-efficient registration as a breakthrough therapy. Emactuzumab has shown profound efficacy in over 60 TGCT patients treated previously, supporting SynOx's focus on macrophage-driven diseases. The financing enables advancement through late-stage trials, including the global, randomized, double-blind, placebo-controlled TANGENT Phase 3 trial in non-surgical TGCT patients, which completed enrollment in August 2025 ahead of schedule, with top-line results expected in Q1 2026. SynOx received Fast Track Designation from the FDA and Orphan Medicinal Product designation from the EMA for emactuzumab in TGCT, highlighting the unmet need. Post-Series A, SynOx strengthened its board with experts like Charles “Chip” R. Romp and Tom J. Heyman for commercialization and strategy. The company is backed by premier life science investors including Forbion, Gilde Healthcare, HealthCap, Bioqube Ventures, and Medicxi. A later Series B round raised $92 million. SynOx explores emactuzumab in other indications and prepares for regulatory and partnering milestones.

Who has invested in SynOx Therapeutics?

6 investors have backed SynOx Therapeutics across its funding rounds, including Forbion Capital Partners, HealthCap, Bioqube Ventures, GIMV, Gilde Healthcare and Medicxi.

Lead investors include Gilde Healthcare, Bioqube Ventures, Forbion Capital Partners, HealthCap and Medicxi.


SynOx Therapeutics Investors

Investors in SynOx Therapeutics by funding rounds participated
InvestorHQRoundsRoleFirst check
HealthCapSwedenStockholm3LeadNov 2020
Forbion Capital PartnersNetherlandsNaarden3LeadNov 2020
Bioqube VenturesBelgiumHasselt2LeadApr 2024
Gilde HealthcareNetherlandsNetherlands1LeadOct 2024

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SynOx Therapeutics Competitors

SynOx Therapeutics competitors include listed companies like Eli Lilly, Johnson & Johnson, AbbVie and Merck, and private ones like Biosplice Therapeutics and Biocon Biologics.

Public and private companies comparable to SynOx Therapeutics
CompanyHQStatusRevenueEBITDAValuationRevenue Multiple
Eli LillyUnited StatesUnited StatesPublicly listed$65B$28B$1.0T13.1x
Johnson & JohnsonUnited StatesUnited StatesPublicly listed$94B$40B$651B6.8x
AbbVieUnited StatesUnited StatesPublicly listed$61B$17B$467B8.1x
MerckUnited StatesUnited StatesPublicly listed$65B$28B$363B6.2x
Biosplice TherapeuticsUnited StatesSan Diego, CAPrivate--$12B-
Biocon BiologicsIndiaBangalorePrivate$1.1B-$4.5B4.2x

SynOx Therapeutics Public Comps

SynOx Therapeutics is still privately-owned, but its public comps include Eli Lilly, Johnson & Johnson, AbbVie, Merck, Roche, Novartis, AstraZeneca, Amgen, Novo Nordisk and Gilead Sciences.

Last FYEV/RevenueEV/EBITDA
RevenueEBITDALast FYLTM2027ELast FYLTM2027E
Eli Lilly$65B$28B16.5x13.1x38.7x27.0x
Johnson & Johnson$94B$40B7.2x6.8x17.0x18.3x
AbbVie$61B$17B8.7x8.1x30.6x17.6x
Merck$65B$28B6.3x6.2x14.7x21.0x
Roche$77B$26B5.0x4.9x14.6x12.4x
Novartis$57B$22B5.5x5.5x14.2x13.3x
AstraZeneca$59B$19B4.8x4.5x14.6x12.7x
Amgen$37B$17B6.8x6.5x14.8x14.4x

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Common questions about SynOx Therapeutics

When was SynOx Therapeutics founded?SynOx Therapeutics was founded in 2020.
Where is SynOx Therapeutics headquartered?SynOx Therapeutics is headquartered in Dublin, Ireland.
Is SynOx Therapeutics publicly listed?No, SynOx Therapeutics is a private, VC-backed company.
How much funding has SynOx Therapeutics raised?SynOx Therapeutics has raised $211M across 3 funding rounds.
What was SynOx Therapeutics' last funding round?SynOx Therapeutics' last funding round was a $92M Series B in October 2024, led by Gilde Healthcare.
Who are SynOx Therapeutics' investors?SynOx Therapeutics' investors include HealthCap, Forbion Capital Partners, Bioqube Ventures, Gilde Healthcare, GIMV and Medicxi.
Which companies are comparable to SynOx Therapeutics?Companies comparable to SynOx Therapeutics include Eli Lilly, Johnson & Johnson, AbbVie, Merck, Biosplice Therapeutics and Biocon Biologics.

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